Glass positive:- Comet 1911 IV (Brooks) H. Knox-Shaw

1911

Glass Positive:- Halley's Comet

1910

Halley's Comet

1910

Glass positive:- Comet 1911 IV (Brooks)

1911

Glass positive:- Halley's Comet

1910

Glass positive:- Halley's Comet

1910

Halley's Comet; H Knox-Shaw

1910

Glass positive:- Halley's comet

1910

Glass positive:- Halley's Comet

1910

Glass positive:- Halley's Comet

1910

Glass positive:- Comet 1911 IV (Brooks)

1911